Common Windmill vs Apple Caddis
Side-by-side species comparison
| Attribute | Common Windmill | Apple Caddis |
|---|---|---|
| Scientific Name | Byasa polyeuctes | Brachycentrus appalachia |
| Order | Lepidoptera | Trichoptera |
| Family | Papilionidae | Brachycentridae |
| Size | Wingspan 80-100 mm | 8-12 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Nectar Feeders | Omnivores |
| Regions | China, India, Nepal, Myanmar | North America |
| Conservation | Least Concern | Least Concern |
Common Windmill
A black swallowtail with red body spots and white-patched hindwings that flutter in a distinctive windmill pattern. It flies slowly and confidently due to its toxicity.
Did You Know?
Its slow, meandering flight advertises its toxic body chemistry to potential predators.
Apple Caddis
A caddisfly of Appalachian streams that builds tapered square cases from plant material. Larvae orient their cases facing into the current for filter feeding.
Did You Know?
The square cross-section of the case is thought to reduce drag in fast currents.